IR_correlation_chart

IR_correlation_chart - 1300-1000 s O-H Alcohols, Phenols...

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A Simplified Infrared Correlation Chart Type of Vibration Frequency (cm -1 ) Intensity C-H Alkanes (stretch) 3000-2850 s -CH 3 (bend) 1450 and 1375 m -CH 2 - (bend) 1465 m Alkenes (stretch) 3100-3000 m (out-of-plane bend) 1000-650 s Aromatics (stretch) 3150-3050 s (out-of-plane bend) 900-690 s Alkyne (stretch) ~3300 s Aldehyde 2900-2800 w 2800-2700 w C-C Alkane not interpretatively useful C=C Alkene 1680-1600 m-w Aromatic 1600 and 1475 m-w C C Alkyne 2250-2100 m-w C=O Aldehyde 1740-1720 s Ketone 1725-1705 s Carboxylic Acid 1725-1700 s Ester 1750-1730 s Amide 1670-1640 s Anhydride 1810 and 1760 s Acid Chloride 1800 s C-O Alcohols, Ethers, Esters, Carboxylic Acids, Anhydrides
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Unformatted text preview: 1300-1000 s O-H Alcohols, Phenols Free 3650-3600 m H-bonded 3500-3200 m Carboxylic Acids 3400-2400 m N-H Primary and Secondary Amines and Amides (stretch) 3500-3100 m (bend) 1640-1550 m-s C-N Amines 1350-1000 m-s C=N Imines and Oximes 1690-1640 w-s C N Nitriles 2260-2240 m X=C=Y Allenes, Ketenes, Isocyanates, Isothiocyanates 2270-1950 m-s N=O Nitro (R-NO 2 ) 1550 and 1350 s S-H Mercaptans 2550 w S=O Sulfoxides 1050 s Sulfones, Sulfonyl Chlorides, Sulfates, Sulfonamides 1375-1300 and 1200-1140 s s C-X Fluoride 1400-1000 s Chloride 800-600 s Bromide, Iodide <667 s...
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